package com.example.chatroom.dao.mapper;

import com.example.chatroom.dao.dataobject.FriendDO;

public interface FriendDOMapper {
    int insert(FriendDO row);

    int insertSelective(FriendDO row);

    FriendDO selectByPrimaryKey(Long id);

    int updateByPrimaryKeySelective(FriendDO row);

    int updateByPrimaryKey(FriendDO row);
}